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166130653 = 1315184631
BaseRepresentation
bin10011110011011…
…11001111011101
3102120121022102011
421321233033131
5320012140103
624252431221
74055041633
oct1171571735
9376538364
10166130653
118585a467
1247778511
1328559080
14180c7353
15e8b8d6d
hex9e6f3dd

166130653 has 8 divisors (see below), whose sum is σ = 180096896. Its totient is φ = 152334000.

The previous prime is 166130651. The next prime is 166130677. The reversal of 166130653 is 356031661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166130653 - 21 = 166130651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166130651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40353 + ... + 44278.

It is an arithmetic number, because the mean of its divisors is an integer number (22512112).

Almost surely, 2166130653 is an apocalyptic number.

166130653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166130653 is a deficient number, since it is larger than the sum of its proper divisors (13966243).

166130653 is a wasteful number, since it uses less digits than its factorization.

166130653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84795.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 166130653 is about 12889.1680491799. The cubic root of 166130653 is about 549.7306151868.

The spelling of 166130653 in words is "one hundred sixty-six million, one hundred thirty thousand, six hundred fifty-three".

Divisors: 1 13 151 1963 84631 1100203 12779281 166130653